<template>
  <div>
    <div>
      <div style="border: 1px solid #cccccc">
        <!-- //搜索框 -->
        <el-amap-search-box
          :search-option="searchOption"
          :on-search-result="onSearchResult"
        />
        <!-- 地图 -->
        <el-amap
          class="amap-box"
          :zoom="amap.zoom"
          :center="amap.center"
          :plugin="amap.plugin"
          :events="amap.events"
        >
          <!-- 当前位置图标 -->
          <el-amap-marker
            v-for="(marker, index) in amap.markers"
            :key="'marker' + index"
            :position="marker.position"
          />
          <!-- 位置名称显示 -->
          <el-amap-text
            v-for="(marker, index) in amap.markers"
            :key="'text' + index"
            :text="marker.text"
            :offset="marker.offset"
            :position="marker.position"
          />
        </el-amap>
      </div>
    </div>
  </div>
</template>
<script>
export default {
  name: "Map",
  props: ["locationForm"],
  data() {
    const vm = this;
    return {
      // form对象
      dataForm: {
        lat: "39.909186",
        lon: "116.39746",
        orgAddr: "天安门",
        province: "",
        city: "",
        district: "",
      },
      // 地图搜索对象
      searchOption: {
        city: "全国",
        citylimit: true,
      },
      lng: 0,
      lat: 0,
      // 地图对象
      amap: {
        zoom: 18,
        center: [116.319802, 39.98294],
        events: {
          // 点击获取地址的数据
          click(e) {
            console.log(e);
            const { lng, lat } = e.lnglat;
            vm.dataForm.lon = lng;
            vm.dataForm.lat = lat;
            // 这里通过高德 SDK 完成。

            VueAMap.plugin(["AMap.Geocoder"], function () {
              var geocoder = new VueAMap.Geocoder({
                radius: 100,
                extensions: "all",
              });
              geocoder.getAddress([lng, lat], function (status, result) {
                if (status === "complete" && result.info === "OK") {
                  if (result && result.regeocode) {
                    vm.dataForm.orgAddr = result.regeocode.formattedAddress;
                    vm.dataForm.province =
                      result.regeocode.addressComponent.province;
                    vm.dataForm.city = result.regeocode.addressComponent.city;
                    vm.dataForm.district =
                      result.regeocode.addressComponent.district;
                    vm.dataForm.lat = lat ? lat.toString() : "";
                    vm.dataForm.lon = lng ? lng.toString() : "";
                    vm.amap.markers = [];
                    const obj = {
                      position: [lng, lat],
                      text: result.regeocode.formattedAddress,
                      offset: [0, 30],
                    };
                    vm.amap.markers.push(obj);
                    vm.sure();
                  }
                }
              });
              vm.$nextTick();
            });
          },
        },

        plugin: [
          {
            // 定位
            pName: "Geolocation",
            events: {
              init(o) {
                // o是高德地图定位插件实例
                o.getCurrentPosition((status, result) => {
                  if (result && result.position) {
                    // 设置经度
                    vm.lng = result.position.lng;
                    // 设置维度
                    vm.lat = result.position.lat;
                    // 设置坐标
                    vm.amap.center = [vm.lng, vm.lat];
                    let op = {
                      position: [vm.lng, vm.lat],
                      text: result.formattedAddress,
                    };
                    vm.amap.markers.push(op);
                    // 页面渲染好后
                    vm.$nextTick();
                  }
                });
              },
            },
          },
        ],
        //
        markers: [],
      },
    };
  },
  created() {
    this.dataForm.lon = this.locationForm.longitude;

    this.dataForm.lat = this.locationForm.latitude;

    this.dataForm.orgAddr = this.locationForm.dom;

    this.lng = this.locationForm.longitude;

    this.lat = this.locationForm.latitude;

    this.amap.center = [this.lng, this.lat];

    const obj = {
      position: [this.lng, this.lat],
      text: this.dataForm.orgAddr,
      offset: [0, 30],
    };
    this.amap.markers.push(obj);
  },
  methods: {
    // 地图搜索回调
    onSearchResult(pois) {
      const vm = this;
      vm.amap.markers = [];
      let latSum = 0;
      let lngSum = 0;

      if (pois.length > 0) {
        pois.forEach((poi, index) => {
          const { lng, lat } = poi;
          if (index === 0) {
            lngSum = lng;
            latSum = lat;
            const obj = {
              position: [poi.lng, poi.lat],
              text: poi.name,
              offset: [0, 30],
            };
            vm.amap.markers.push(obj);
            vm.dataForm.orgAddr = poi.name;
            vm.dataForm.lat = poi.lat ? poi.lat.toString() : "";
            vm.dataForm.lon = poi.lng ? poi.lng.toString() : "";
            this.sure();
          }
        });
        vm.amap.center = [lngSum, latSum];
      }
    },
    // 提交方法
    sure() {
      this.$emit("updateLocation", this.dataForm);
    },
  },
};
</script>
<style lang="scss" scoped>
.amap-box {
  width: 100%;
  height: 500px;
}
.el-vue-search-box-container {
  width: 100% !important;
}
.search-box {
  position: absolute;
  z-index: 5;
  width: 70%;
  left: 13%;
  top: 10px;
  height: 30px;
}

.search-box .el-input {
  float: left;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  border-radius: 0 7px 7px 0;
  outline: none;
  position: relative;
}

.search-box .el-button {
  position: absolute;
  right: 0;
  top: 1px;
  width: 20%;
  background: #38a28a;
  border-radius: 0 7px 7px 0;
  border: none;
  color: #fff;
  outline: none;
}

.tip-box {
  text-align: center;
  width: 100%;
  position: absolute;
  top: 35px;
  padding: 10px 0;
  background-color: #fff;
  opacity: 0.8;
}
</style>